Free Invoice App for
Australian Tradies & Mechanics
Spanner is a free invoice app for Australian tradies and mechanics. Create GST invoices with your ABN, collect card payments via Stripe, and share via WhatsApp or PDF — all from your phone in 30 seconds.
Free to download · Pro from A$9.99/mo · No credit card
Who is Spanner for?
Built for how Australian tradies work
GST invoicing
10% GST calculated automatically and shown clearly on every invoice.
ABN on every invoice
Enter your ABN once — it appears automatically on all invoices.
Stripe card payments
Send a payment link with every invoice. Customers pay by card instantly.
WhatsApp & PDF sharing
Share invoices the way Australians actually communicate — WhatsApp or PDF.
Mechanic-ready
Rego, make, model, and year on every invoice. Built for Australian mechanics.
All trades
Plumbers, electricians, builders, handymen — any tradie sending invoices.
How it works
Create an invoice
Add customer, job details, line items, and toggle GST — takes 30 seconds.
Share it
Send via WhatsApp, email, or download as PDF. Customer gets a professional invoice instantly.
Collect payment
Customer pays by card from their phone. You see the payment hit your account.